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h5bp/front-end-developer-interview-questions — explained in plain English

Analysis updated 2026-06-20

60,832NunjucksAudience · developerComplexity · 1/5Setup · easy

tl;dr

A curated list of interview questions for front-end web developers covering HTML, CSS, JavaScript, accessibility, performance, and networking, useful for interviewers preparing to hire and developers studying for job interviews.

vibe map

mindmap
  root((Interview Qs))
    Topics covered
      HTML
      CSS
      JavaScript
      Accessibility
      Performance
    Who it helps
      Interviewers hiring
      Developers studying
    Format
      Open-ended questions
      Thematic sections
      No single right answer
    Tech
      Markdown files
      Nunjucks website
      Static content

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

what do people make with this?

VIBE 1

Prepare a structured front-end developer interview by selecting targeted questions from HTML, CSS, and JavaScript sections.

VIBE 2

Study for a front-end job interview by working through the question list to identify knowledge gaps before the real interview.

VIBE 3

Run a technical phone screen using the general web knowledge and performance questions to quickly assess a candidate's breadth.

what's the stack?

MarkdownNunjucksHTML

how do i run it?

Difficulty · easy time til it works · 5min

in plain english

This repository is a curated collection of interview questions specifically designed for evaluating front-end web developers. Front-end development refers to everything the user sees and interacts with in a web browser, HTML (the structure of a page), CSS (its appearance), and JavaScript (its behavior). Hiring the right front-end developer can be tricky because the field covers a wide range of topics, and this list helps interviewers pick questions that are relevant to the skills they need. The questions are organized into thematic sections: general web knowledge, HTML, CSS, JavaScript, accessibility, testing, performance, network concepts, live coding exercises, and some lighter "fun" questions. They are not meant to be used all at once, the intention is to select a subset that targets the specific skills a role requires. Many of the questions are deliberately open-ended, meaning they do not have a single correct answer, because they are designed to reveal how a candidate thinks and communicates about technical topics. You would use this resource if you are a hiring manager or technical interviewer preparing to assess a front-end developer candidate. It is also widely used by developers preparing for job interviews, since working through the questions is a useful way to identify knowledge gaps. The repository itself contains the questions as Markdown files. The website version is built with Nunjucks, a templating language for generating HTML from structured text content. There is no runtime application, it is a static document collection. No specific programming runtime is required to read or use the questions.

prompts (copy fr)

prompt 1
I'm interviewing a senior front-end developer, give me 5 CSS questions from this list that reveal deep knowledge of layout and specificity.
prompt 2
I'm preparing for a front-end interview next week, quiz me on the JavaScript section questions and give me model answers for each.
prompt 3
Help me design a 45-minute front-end interview covering HTML semantics, JavaScript closures, and web performance using questions from this repo.
prompt 4
What are the most important accessibility questions to ask a front-end candidate to check if they understand WCAG guidelines?
prompt 5
Give me 3 open-ended performance questions from this list that would reveal whether a developer understands browser rendering and network optimization.

Frequently asked questions

what is front-end-developer-interview-questions fr?

A curated list of interview questions for front-end web developers covering HTML, CSS, JavaScript, accessibility, performance, and networking, useful for interviewers preparing to hire and developers studying for job interviews.

What language is front-end-developer-interview-questions written in?

Mainly Nunjucks. The stack also includes Markdown, Nunjucks, HTML.

How hard is front-end-developer-interview-questions to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is front-end-developer-interview-questions for?

Mainly developer.

peek the repo → explain another one

This repo across BitVibe Labs

double-check against the repo, no cap.